| 摘要 |
PROBLEM TO BE SOLVED: To obtain a friction material lowered in attacking properties on an aluminum alloy rotor in particular and not affected by a pedal operating force or a vehicle speed. SOLUTION: This friction material is obtained by compounding and molding a base fiber, a binding material, a friction modifier and a filler and is used in combination with a rotor made of an aluminum alloy, where the friction modifier is obtained by granulating a hard inorganic powder and a solid lubricating material via a thermosetting resin binder and is dispersed in the friction material.
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